public virtual void Write(ShaderGenerationContext context)
{
AddPassRequiredAttributes(GetRequiredPassAttributes(context));
AddPassKeywords(GetRequiredPassKeywords(context));
context.LogShaderSection($"Generated Data Struct {AttributeStructName}");
context.WriteLine($"struct {AttributeStructName}");
context.WriteLine("{");
context.WriteIndented((c) =>
{
for (int i = 0; i < _attributes.Count; i++)
{
AttributeConfig config = _attributes[i];
if (config.AttributeType != AttributeType.Anonymous)
{
c.WriteLine($"#define __{AttributeStructName.ToUpper()}{config.AttributeType.ToString().ToUpper()} {config.Name}");
}
config.WriteAttributeDefinition(c, i, this is KeywordFragmentInput);
}
});
foreach (string keyword in _keywords)
{
context.WriteLine(keyword);
}
context.WriteLine("};");
context.Newine();
}
private void AddPassRequiredAttributes(List <AttributeConfig> requiredAttributes)
{
foreach (AttributeConfig requiredAttribute in requiredAttributes)
{
bool needsToBeAdded = false;
if (requiredAttribute.AttributeType == AttributeType.Anonymous)
{
needsToBeAdded = true;
}
else
{
if (_attributes.All(config => config.AttributeType != requiredAttribute.AttributeType))
{
needsToBeAdded = true;
}
else
{
AttributeConfig existingAttribute = _attributes.First(config => config.AttributeType == requiredAttribute.AttributeType);
if (existingAttribute.DataType != requiredAttribute.DataType || existingAttribute.Dimensions != requiredAttribute.Dimensions)
{
throw new KeywordMap.ShaderGenerationException($"Attribute {existingAttribute.Name} of type {existingAttribute.AttributeType} needs to be a {requiredAttribute.DataType} ({requiredAttribute.Dimensions}) in this shader model");
}
}
}
if (needsToBeAdded)
{
_attributes.Add(requiredAttribute);
}
}
}
